reporting UNKNOWN cpu_architecture - kepler v0.7.11 on RHEL9/ARM64 Ampere system

[jharriga]

Originally reported in Issue 1347 https://github.com/sustainable-computing-io/kepler/issues/1347

          Seeing same behavior with kepler v0.7.11 on RHEL9/ARM64 Ampere system

[root]# lscpu | grep Model
Model name: Neoverse-N1
BIOS Model name: Ampere(R) Altra(R) Max Processor

[root]# uname -a
Linux perf-arm-11.perf.eng.bos2.dc.redhat.com 5.14.0-362.21.1.el9_3.aarch64 #1 SMP PREEMPT_DYNAMIC Thu Jan 25 08:27:11 EST 2024 aarch64 aarch64 aarch64 GNU/Linux

[root]# curl localhost:8888/metrics|grep kepler_node_info

kepler_node_info{components_power_source="ampere-xgene-hwmon",cpu_architecture="unknown",platform_power_source="none",source="os"} 1

Originally posted by @jharriga in #1347 (comment)

[jichenjc]

maybe this need update ? https://github.com/sustainable-computing-io/kepler/blob/main/data/cpus.yaml